Ornamental And Turf Pest Control Quiz

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1/50 Questions

Which combination will create the greatest drift hazard?
- Low Pressure - Small Orifice .
- Low Pressure - Large Orifice
- High Pressure - Small Orifice
- High Pressure - Large Orifice

About This Quiz

Get ready for the quiz that we have here for you, "Ornamental And Turf Pest Control Quiz." Pests can be very disturbing and, as a result, deprive you of a lot of comfort and peace of mind. How do you keep pests away from your space? Ornamental pest control is using decorative things to keep pests away. So, will you See morebe able to get a good score on this quiz? Let's see

Ornamental And Turf Pest Control Quiz - Quiz

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2.

You must know the persistence of pesticides you apply to ornamental and turf areas, especially where:
- Humans, pets, or other animals are present
- Powder is applied
- A garden is nearby
- All of the above
Correct Answer

A. All of the above

Explanation

The persistence of pesticides is important to consider in areas where humans, pets, or other animals are present because they may come into contact with the pesticides and be exposed to their potentially harmful effects. Similarly, if powder is applied, it can easily be spread by wind or other means and may contaminate nearby gardens or areas. Therefore, all of the given options are valid reasons to be aware of the persistence of pesticides in ornamental and turf areas.

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5
3.

The minimum period of time to keep children, adults, pets, and domestic animals from contact with sprayed turf is:
- 24 hours
- 48 hours
- After washing the turf
- Until the turf is dry
Correct Answer

A. Until the turf is dry

Explanation

The correct answer is "Until the turf is dry." This means that children, adults, pets, and domestic animals should not have contact with the sprayed turf until it is completely dry. This is important because the chemicals in the spray could be harmful if they come into contact with skin or are ingested. Waiting until the turf is dry ensures that any residue or chemicals have evaporated or been absorbed into the soil, reducing the risk of exposure.

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5
4.

Which of the following turfgrass diseases can be severe in July and August in Nebraska?
- Summer patch
- Dollar spot
- Leaf spot
- Gray snow mold
Correct Answer

A. Summer patch

Explanation

Summer patch is a turfgrass disease that can be severe in July and August in Nebraska. This disease is caused by the fungus Magnaporthe poae and is characterized by circular patches of dead or dying grass with a reddish-brown border. It is most common in lawns with poor drainage and high levels of nitrogen fertilizer. Summer patch can cause significant damage to turfgrass if left untreated, making it a severe disease during the summer months in Nebraska.

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7
5.

Which one of the following weeds is a perennial, broadleaf weed?
- Field bindweed
- Smooth bromegrass
- Quackgrass
- Musk thistle
Correct Answer

A. Field bindweed

Explanation

Field bindweed is a perennial, broadleaf weed. It is a vine-like plant that grows low to the ground and has arrowhead-shaped leaves. It is considered a weed because it can quickly spread and take over an area, competing with other plants for nutrients and resources. Field bindweed is difficult to control and can be a nuisance in agricultural fields and gardens.

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2
6.

Powdery mildew is identified by the presence of:
- Dark olive green spots on the leaves
- Fluffy, grayish-white blotches on leaves and flowering parts
- Scorched appearance of leaves and terminals
- Vein clearing or mosaic patterns on the foliage
Correct Answer

A. Fluffy, grayish-white blotches on leaves and flowering parts

Explanation

Powdery mildew is a fungal disease that affects plants, including their leaves and flowering parts. One of the main characteristics of powdery mildew is the presence of fluffy, grayish-white blotches on the affected leaves and flowering parts. This is caused by the growth of fungal spores on the plant's surface, giving it a powdery appearance. The other options mentioned in the question, such as dark olive green spots, scorched appearance, and vein clearing or mosaic patterns, are not specific to powdery mildew and may be indicative of other plant diseases or issues.

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1
7.

Small, green or brown insects (3/ie inch long) which jump or fly when disturbed are:
- Spider mites
- Leafhoppers
- Aphids
- June bugs
Correct Answer

A. Leafhoppers

Explanation

Leafhoppers are small, green or brown insects that are approximately 3/8 inch long. They have the ability to jump or fly when disturbed. Spider mites are not known for jumping or flying, and aphids are typically smaller in size and do not have the ability to jump. June bugs are larger beetles and do not fit the description given in the question. Therefore, the correct answer is leafhoppers.

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2
8.

Which of the following insecticides would be the best choice if all will adequately control the target pest?
- One with the signal word "Caution"
- One with the signal word "Warning"
- One with the signal word "Danger"
- One without a label
Correct Answer

A. One with the signal word "Caution"

Explanation

The signal word "Caution" indicates that the insecticide is relatively low in toxicity and poses minimal risk to humans and the environment when used as directed. In comparison, the signal word "Warning" suggests a higher level of toxicity and potential hazards, while the signal word "Danger" indicates the highest level of toxicity and potential risks. An insecticide without a label is not recommended as it lacks important information regarding proper usage and safety precautions. Therefore, the insecticide with the signal word "Caution" is the best choice as it effectively controls the target pest while posing the least risk.

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3
9.

Symptoms of dollar spot in Kentucky bluegrass include:
- Bleached out spots, tan leaf lesions with reddish brown margins
- Fluffy gray residue on leaves
- Small dark green spots
- All of the above
Correct Answer

A. Bleached out spots, tan leaf lesions with reddish brown margins

Explanation

Symptoms of dollar spot in Kentucky bluegrass and other turfgrasses typically include bleached-out or straw-colored spots on the turf, which can be about the size of a silver dollar, hence the name. These spots often have tan leaf lesions with reddish-brown margins, particularly noticeable in the morning when dew is present. While fluffy gray residue on leaves could indicate a different type of fungal infection, and small dark green spots are not characteristic of dollar spot, the most accurate description of dollar spot symptoms among the provided options is bleached out spots, tan leaf lesions with reddish-brown margins.

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0
10.

The following are characteristic of stem rust of Kentucky bluegrass:
- Occurs in late winter
- Produces brick red pustules on leaf blades in late summer
- Gives the turf a dark gray cast
- All of the above
Correct Answer

A. Produces brick red pustules on leaf blades in late summer

Explanation

Stem rust of Kentucky bluegrass is characterized by the production of brick red pustules on leaf blades in late summer. This is the correct answer because the other characteristics mentioned, such as occurring in late winter and giving the turf a dark gray cast, are not specific to stem rust of Kentucky bluegrass.

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11.

The control of pink and gray snow mold involves:
- Heavy nitrogen fertilizer applications in late fall
- Cutting the turf to a height lower than recommended
- Allowing the turf to grow to a height of 4 inches before cold weather
- The construction of snow barriers to minimize accumulation of snow in problem areas
Correct Answer

A. The construction of snow barriers to minimize accumulation of snow in problem areas

Explanation

The control of pink and gray snow mold involves the construction of snow barriers to minimize the accumulation of snow in problem areas. This is because snow mold thrives in areas where snow accumulates and remains for extended periods of time. By constructing snow barriers, the amount of snow that accumulates in these problem areas can be reduced, thereby reducing the risk of snow mold development. The other options, such as heavy nitrogen fertilizer applications, cutting the turf too low, or allowing the turf to grow excessively before cold weather, do not specifically address the control of snow mold.

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1
12.

Factors that contribute to pesticide phytotoxicity are:
- Uneven distribution of pesticides
- High air temperatures
- Excessive application rates of pesticides
- All of the above
Correct Answer

A. All of the above

Explanation

The factors that contribute to pesticide phytotoxicity include uneven distribution of pesticides, high air temperatures, and excessive application rates of pesticides. These factors can all have negative effects on plants and can lead to phytotoxicity. Uneven distribution can result in some areas receiving too much pesticide, while others receive too little. High air temperatures can increase the volatility of pesticides, making them more likely to cause damage to plants. Excessive application rates can overwhelm plants and lead to toxicity. Therefore, all of these factors contribute to pesticide phytotoxicity.

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2
13.

How many fluid ounces would be required on 4000 sq ft of turf with a label rate of 2 ounces per 1000 sq ft? How many teaspoons would be required for the 4000 sq ft? One fluid ounce equals 2 tablespoons, one tablespoon equals 3 teaspoons.
- 100 ounces or 200 teaspoons
- 8 ounces or 48 teaspoons
- 8 ounces or 20 teaspoons
- 15 ounces or 60 teaspoons
Correct Answer

A. 8 ounces or 48 teaspoons

Explanation

To calculate the amount of fluid ounces required for 4000 sq ft with a label rate of 2 ounces per 1000 sq ft, we can set up a proportion:2 ounces / 1000 sq ft = x ounces / 4000 sq ftx = (2 \* 4000) / 1000x = 8 ouncesNow, let's convert ounces to teaspoons. We know that 1 fluid ounce equals 2 tablespoons, and 1 tablespoon equals 3 teaspoons:8 ounces \* 2 tablespoons/ounce \* 3 teaspoons/tablespoon = 48 teaspoonsSo, for 4000 sq ft of turf, you would need 8 ounces of the product, which is equivalent to 48 teaspoons.

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1
14.

The label requirement for treating billbugs on turf is 1.0 pounds of diazinon per 1000 sq ft when the total square footage is 9,400 sq ft. How many pounds of diazinon will be required?
- 15.6 pounds
- 13.8 pounds
- 12.3 pounds
- 9.4 pounds
Correct Answer

A. 9.4 pounds

Explanation

The correct answer is 9,400 sq ft and 9.4 pounds. This is because the label requirement is 1.0 pounds of diazinon per 1000 sq ft. So, to calculate the amount of diazinon required, we need to divide the total square footage (9,400 sq ft) by 1000 and then multiply it by 1.0. This gives us 9.4 pounds of diazinon required.

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4
15.

Which of the following list of weeds are winter annuals?
- Violets, shepherd's purse, common chickweed
- Large crabgrass, common chickweed, field pennycress
- Dandelions, henbit, field pennycress
- Common chickweed, henbit, field pennycress
Correct Answer

A. Common chickweed, henbit, field pennycress

Explanation

Winter annual weeds germinate in the fall, survive through the winter, and complete their lifecycle in the spring. Common chickweed, henbit, and field pennycress are all examples of winter annuals. They typically sprout in the cooler months and can be problematic in lawns and gardens if not managed properly. The other weeds listed, like large crabgrass and dandelions, are not winter annuals.

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4
16.

Disease management in ornamentals can be improved by:
- Dormant pruning, disease resistant varieties, bed rotation
- Close plant spacing
- Increasing water supply
- All of the above
Correct Answer

A. Dormant pruning, disease resistant varieties, bed rotation

Explanation

Disease management in ornamentals can be improved by implementing several strategies. Dormant pruning helps remove infected or diseased branches, reducing the spread of diseases. Disease-resistant varieties are plants that have been bred to be less susceptible to certain diseases, reducing the need for chemical treatments. Bed rotation involves changing the location of ornamentals each year, which helps prevent the buildup of disease-causing organisms in the soil. Close plant spacing can create a favorable environment for disease development, so it is not a recommended strategy. Increasing water supply may actually promote the growth of certain diseases, so it is not an effective method for disease management. Therefore, the correct answer is dormant pruning, disease resistant varieties, and bed rotation.

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3
17.

The four basic weed control methods are:
- Preemergence, postemergence, mechanical, all season
- Cultural, chemical, mechanical, biological
- Fertilizer, mowing, watering, dormatology
- Identification, mowing, chemical, biological
Correct Answer

A. Cultural, chemical, mechanical, biological

Explanation

The correct answer is Cultural, chemical, mechanical, biological. These four methods are commonly used for weed control. Cultural methods involve practices such as crop rotation, proper irrigation, and mulching to prevent weed growth. Chemical methods involve the use of herbicides to kill or suppress weeds. Mechanical methods involve physically removing weeds through methods like hand-pulling or using tools like weed trimmers. Biological methods involve using natural enemies of weeds, such as insects or pathogens, to control their population. These four methods together provide a comprehensive approach to weed control.

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4
18.

The presence of sod webworms in a turf area is relatively easy to determine by:
- Drenching the suspected area with water to force the webworms to the surface.
- Visual inspection of trees and shrubs in the suspected area.
- Using a pyrethrum flushing agent to force the webworms to the surface.
- Both A and B
Correct Answer

A. Using a pyrethrum flushing agent to force the webworms to the surface.

Explanation

The presence of sod webworms in a turf area can indeed be determined by using a pyrethrum-based flushing agent. This method involves applying the agent to the turf, which irritates the webworms and forces them to come to the surface, making them easy to spot. Drenching the area with water might not be as effective for this purpose. While visual inspection of trees and shrubs can help identify other pest issues, it's not the most effective method for detecting sod webworms in the turf. Therefore, the correct option is using a pyrethrum flushing agent.

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3
19.

The minimum protective clothing for handling any formulation of pesticide with a "caution" label is:
- Chemical resistant gloves and long-sleeved shirt
- Long-sleeved shirt and long pants, shoes
- Chemical resistant gloves, hat, and boots
- Long-sleeved shirt, long pants, goggles and chemical resistant gloves
Correct Answer

A. Long-sleeved shirt and long pants, shoes

Explanation

The minimum protective clothing for handling any formulation of pesticide with a "caution" label is a long-sleeved shirt and long pants, along with shoes. This combination of clothing provides coverage and protection for the arms, legs, and feet, which are the most vulnerable areas when handling pesticides. It helps to minimize skin exposure and potential contact with the pesticide, reducing the risk of absorption or skin irritation. Wearing closed-toe shoes also protects the feet from accidental spills or splashes.

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1
20.

The chance for exposing humans, pets, nontarget organisms and other sites during equipment clean up can be reduced by:
- Cleaning equipment on an impervious apron with retaining walls within a restricted area
- Washing equipment near a storm sewer
- Cleaning equipment on an isolated open field
- Periodically replacing the equipment
Correct Answer

A. Cleaning equipment on an impervious apron with retaining walls within a restricted area

Explanation

Cleaning equipment on an impervious apron with retaining walls within a restricted area reduces the chance for exposing humans, pets, nontarget organisms, and other sites during equipment clean up. This method ensures that any potential spills or leaks are contained within the restricted area, preventing them from reaching the surrounding environment or storm sewer. Using an impervious apron and retaining walls also helps to prevent the spread of contaminants to nearby areas, minimizing the risk of exposure.

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21.

Which of the following weed characteristics best describes yellow foxtail?
- Summer annual, grassy weed
- Winter annual, grassy weed
- Perennial grassy weed
- Biennial broadleaf weed
Correct Answer

A. Summer annual, grassy weed

Explanation

Yellow foxtail is best described as a summer annual, grassy weed. This means that it is a type of weed that completes its life cycle within a single growing season, germinating in the spring or summer, growing throughout the summer, and producing seeds before dying in the fall. It is also a grassy weed, meaning that it belongs to the grass family and has characteristics similar to grasses.

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2
22.

You are to apply a granular insecticide for sod webworm control. The recommended rate is 2 pounds of the granules per 1000 sq ft. How many pounds are needed for one acre? [Remember: 43,560 sq ft per acre]
- 308 pounds
- 87 pounds
- 130 pounds
- 218 pounds
Correct Answer

A. 87 pounds

Explanation

To find the number of pounds needed for one acre, we need to convert the recommended rate from square feet to acres. Since there are 43,560 square feet in one acre, we can divide the recommended rate of 2 pounds per 1000 square feet by 43.56 to get the rate per acre. This gives us a rate of approximately 0.046 pounds per acre. Multiplying this rate by 1 acre gives us the amount of insecticide needed, which is approximately 0.046 pounds. However, since we need a whole number of pounds, we round up to the nearest whole pound, which is 1 pound. Therefore, the correct answer is 87 pounds.

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8
23.

The recommended method for controlling fire blight is:
- Dormant pruning and antibiotic treatment
- Summer pruning and antibiotic treatment
- Summer pruning and dormant antibiotic treatment
- Dormant pruning and antibiotic treatment at flowering
Correct Answer

A. Dormant pruning and antibiotic treatment at flowering

Explanation

Dormant pruning and antibiotic treatment at flowering is the recommended method for controlling fire blight. Fire blight is a bacterial disease that affects fruit trees, and dormant pruning helps remove infected branches before the bacteria can spread. Antibiotic treatment at flowering is also effective in controlling the disease as it targets the bacteria during their active growth phase. Summer pruning and dormant antibiotic treatment may not be as effective as they do not specifically target the bacteria at the right time.

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24.

Control diplodia tip blight in pines by:
- Winter pruning and summer bordeaux treatment
- Summer pruning and two summer bordeaux treatments
- Two bordeaux treatments in the spring
- Pruning and burning stunned tips as they appear
Correct Answer

A. Two bordeaux treatments in the spring

Explanation

The correct answer is two bordeaux treatments in the spring. Bordeaux mixture is a fungicide that is commonly used to control diplodia tip blight in pines. It is most effective when applied in the spring, before the fungal infection becomes severe. By applying two treatments in the spring, it helps to prevent the spread and growth of the fungus, reducing the damage caused by diplodia tip blight. Pruning and burning stunned tips as they appear may help to remove infected plant material, but it is not as effective as using a fungicide like bordeaux mixture. Winter pruning and summer bordeaux treatment, as well as summer pruning and two summer bordeaux treatments, are not the most effective methods for controlling diplodia tip blight.

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2
25.

Cultural control of bagworms can be effective if the bags are removed and destroyed by:
- Spraying the bags during the winter
- Spraying the bags in late summer
- Hand picking the bags by mid May
- Selecting resistant plants
Correct Answer

A. Hand picking the bags by mid May

Explanation

Hand picking the bags by mid May is an effective cultural control method for bagworms because it allows for the removal and destruction of the bags before the larvae inside have a chance to emerge and cause damage to plants. By removing the bags before mid May, the bagworm population can be significantly reduced, preventing further damage to plants. Spraying the bags during the winter or in late summer may not be as effective because the larvae are already inside the bags and may not be affected by the spray. Selecting resistant plants can help prevent bagworm infestations, but it is not a method for controlling existing infestations.

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1
26.

Which type of herbicide application is most effective for annual grassy weeds?
- Fall postemergence
- Spring postemergence
- Spring preemergence
- Fall preemergence
Correct Answer

A. Spring preemergence

Explanation

Spring preemergence herbicide application is the most effective for annual grassy weeds because it targets the weeds before they emerge from the soil. By applying the herbicide in the spring, before the weeds have a chance to germinate and grow, it can prevent their growth altogether. This method is particularly effective for annual grassy weeds, as they tend to germinate and grow in the spring. Applying the herbicide in the fall may not be as effective because the weeds may have already germinated and established themselves by that time.

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27.

Spider mites damage conifers by:
- Eating needles
- Sucking sap
- Eating cambium layer
- Girdling twigs
Correct Answer

A. Sucking sap

Explanation

Spider mites damage conifers by sucking sap. Spider mites are tiny pests that feed on the sap of plants, including conifers. They use their piercing mouthparts to extract the sap from the needles and stems of the conifers. This feeding behavior deprives the plants of essential nutrients and can weaken them, leading to stunted growth, yellowing or browning of needles, and even death in severe infestations. Therefore, sucking sap is the correct answer as it accurately describes the damage caused by spider mites to conifers.

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28.

Elm leaf beetles damage elm trees by:
- Boring into trunks
- Carrying dutch elm disease
- Feeding on the leaves
- Cutting off twigs
Correct Answer

A. Feeding on the leaves

Explanation

Elm leaf beetles damage elm trees by feeding on the leaves. This can lead to defoliation, weakening the tree and making it more susceptible to other diseases and pests. Boring into trunks, carrying dutch elm disease, and cutting off twigs are not mentioned as ways in which elm leaf beetles damage elm trees.

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29.

The best time to apply an insecticide to scale insects is in which stage of development?
- Egg
- Crawler
- Pupa
- Adult
Correct Answer

A. Crawler

Explanation

Scale insects go through several stages of development, including egg, crawler, pupa, and adult. The crawler stage is the best time to apply an insecticide because this is when the insects are most vulnerable and actively moving around. In this stage, the insects are small and mobile, making them easier to target and control with insecticides. Applying the insecticide during the crawler stage ensures that it reaches and kills the majority of the population, effectively managing the scale insect infestation.

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3
30.

Leaf spot occurs during which of the following weather conditions?
- Warm, dry weather
- Cold, dry weather
- Cool, wet weather
- Weather has no effect
Correct Answer

A. Cool, wet weather

Explanation

Leaf spot is a common fungal disease that affects plants. It is caused by various types of fungi that thrive in cool, wet conditions. These fungi are most active when the weather is cool and there is an abundance of moisture, such as from rain or dew. In these conditions, the fungi can easily infect the leaves and cause the characteristic spots. Warm, dry weather is not conducive to the growth and spread of the fungi, so leaf spot is less likely to occur in these conditions. Cold, dry weather also does not provide the ideal conditions for the fungi to thrive.

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1
31.

The ester form of 2,4-D is more hazardous than some other chemicals because its_______may cause it to drift onto nontarget plants

Correct Answer
Volatility, volatilization

Explanation
The ester form of 2,4-D is more hazardous than some other chemicals because its volatility may cause it to drift onto nontarget plants. Volatility refers to the tendency of a substance to vaporize or evaporate at a given temperature. In the case of the ester form of 2,4-D, its high volatility means that it is more likely to turn into a gas and be carried by air currents, potentially reaching and affecting plants that were not intended to be targeted. This makes it more hazardous as it can cause unintended damage to nontarget plants.

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0
32.

A practical technique to reduce potential drift damage to ornamentals when spraying turf for weed control is:
- Use a smaller nozzle with high pressure
- Use a larger nozzle with low pressure
- Apply the herbicide in very small droplets
- Any of the above
Correct Answer

A. Use a larger nozzle with low pressure

Explanation

Using a larger nozzle with low pressure is a practical technique to reduce potential drift damage to ornamentals when spraying turf for weed control. This is because a larger nozzle produces larger droplets, which are less likely to be carried by the wind and drift onto ornamental plants. Additionally, using low pressure helps to reduce the force at which the herbicide is sprayed, further minimizing the potential for drift and damage to ornamentals.

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1
33.

_________pesticides are most likely to cause harm to wildlife

Correct Answer
Accumulative, Accumulating

Explanation
Accumulative pesticides are likely to cause harm to wildlife because they can build up in the environment over time, leading to higher concentrations in the bodies of animals. This can result in toxic effects, such as reproductive problems, immune system suppression, and even death. Accumulative pesticides are persistent and do not break down easily, so they can continue to pose a threat to wildlife for long periods.

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3
34.

To reduce drift of pesticides:
- Use smaller droplets
- Use dusts rather than sprays
- Keep nozzles close to the target pest or site
- All of the above
Correct Answer

A. Keep nozzles close to the target pest or site

Explanation

To reduce drift of pesticides, keeping nozzles close to the target pest or site is the most effective method. This ensures that the pesticides are applied directly to the intended area and minimizes the chances of them drifting away with wind or air currents. Using smaller droplets and dusts rather than sprays can also help reduce drift to some extent, but keeping the nozzles close to the target is the most important factor in preventing drift.

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3
35.

Which of the following turf herbicides is an example of a selective, translocated, and post-emergence type?
- Roundup
- 2,4-D
- Dacthal
- Paraquat
Correct Answer

A. 2,4-D

Explanation

2,4-D is an example of a selective, translocated, and post-emergence herbicide. Selective herbicides target specific types of plants while leaving others unharmed. Translocated herbicides are absorbed by the plant and move throughout its system, killing the entire plant. Post-emergence herbicides are applied to weeds after they have emerged from the soil. 2,4-D meets all of these criteria, making it the correct answer.

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10
36.

Which of the following is the most effective method for managing pests in ornamental and turf areas while minimizing environmental impact?
- Applying broad-spectrum chemical pesticides regularly
- Relying solely on biological control methods, such as introducing natural predators
- Implementing an Integrated Pest Management (IPM) approach that combines cultural, biological, and chemical controls
- Using chemical pesticides only when the pest population reaches a critical threshold
Correct Answer

A. Implementing an Integrated Pest Management (IPM) approach that combines cultural, biological, and chemical controls

Explanation

Integrated Pest Management (IPM) is the most effective and environmentally responsible approach for managing pests in ornamental and turf areas. IPM combines cultural, biological, and chemical methods to control pests in a way that minimizes environmental impact. This approach emphasizes prevention and uses pesticides only when necessary, making it more sustainable than relying solely on chemical or biological controls.

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3
37.

Which of the following statements best describe a sod webworm larva?
- Black to grey color with white spots
- Flesh or grey color with black stripes
- Black to dark brown with white spots
- Flesh or grey color with small distinct black dots
Correct Answer

A. Flesh or grey color with small distinct black dots

Explanation

The correct answer is "Flesh or gray color with small distinct black dots." This description accurately describes a sod webworm larva. The larvae of sod webworms are typically light gray or flesh-colored with small black dots on their bodies. This coloration helps them blend in with the grass and soil, providing camouflage and protection from predators.

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5
38.

Algae problems in greenhouses can be controlled by:
- Treatment with copper sulphate
- Reducing the house temperature
- Increasing the house temperature
- Drenching with an antiseptic
Correct Answer

A. Treatment with copper sulphate

Explanation

Algae problems in greenhouses can be controlled by treatment with copper sulphate. Copper sulphate is a commonly used algaecide that effectively kills algae and prevents their growth. It works by disrupting the metabolic processes of algae, leading to their death. This treatment is effective in controlling algae growth and preventing the spread of algae in greenhouses. Other options such as reducing or increasing the house temperature or drenching with an antiseptic may not be as effective in controlling algae growth.

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5
39.

Which of the following statements best describes an aphid?
- Multicolored, soft bodied, sucks sap
- Green, hard shelled, eats foliage
- Green, soft bodied, feeds on cabium layer
- Gray, hard shelled, sucks sap
Correct Answer

A. Multicolored, soft bodied, sucks sap

Explanation

Aphids are small insects that are known for their soft bodies and ability to suck sap from plants. They come in various colors, hence the term "multicolored". They do not have hard shells, and they do not feed on foliage or the cambium layer of plants. Therefore, the statement "Multicolored, soft bodied, sucks sap" best describes an aphid.

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3
40.

Which formulation is most likely to cause phytotoxic injury?
- Emulsifiable concentrate
- Wettable powder
- Granular
- Dust
Correct Answer

A. Emulsifiable concentrate

Explanation

Emulsifiable concentrate formulations are most likely to cause phytotoxic injury because they contain solvents that can directly damage plant tissues. These solvents help in the dispersion of the active ingredient in water, but they can also penetrate plant cells and disrupt their structure and function. In contrast, wettable powder, granular, and dust formulations do not typically contain solvents that can directly harm plants, making them less likely to cause phytotoxic injury.

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1
41.

Which of the following weeds is effectively controlled with post-emergence herbicides in the fall?
- Crabgrass
- Foxtail
- Dandelion
- Nimblewill
Correct Answer

A. Dandelion

Explanation

Dandelion is effectively controlled with post-emergence herbicides in the fall. This means that applying herbicides after the dandelion has emerged from the ground is an effective method of controlling its growth. The other options, such as crabgrass, foxtail, and nimblewill, may require different methods or timing for effective control.

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3
42.

Which of the following are considered mechanical pest control methods?
- Proper irrigation and fertilization of plants
- Mowing turf and wrapping tree trunks
- Insecticide application and proper irrigation
- None of the above
Correct Answer

A. Mowing turf and wrapping tree trunks

Explanation

Mowing turf and wrapping tree trunks are considered mechanical pest control methods because they physically prevent or remove pests. Mowing turf can reduce the population of pests like insects and rodents by removing their habitats and food sources. Wrapping tree trunks with protective materials can prevent pests like insects and rodents from climbing up the tree and causing damage. These methods do not involve the use of chemicals or pesticides, which is why they are considered mechanical pest control methods.

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1
43.

You can identifiy prostrate spurge by the following:
- Milky sap
- Prostrate growth
- Tap root
- All of the above
Correct Answer

A. All of the above

Explanation

The correct answer is "All of the above" because prostrate spurge can be identified by all of the mentioned characteristics. It has milky sap, prostrate growth (meaning it grows close to the ground), and a tap root. Therefore, if a plant exhibits all of these characteristics, it is likely to be prostrate spurge.

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44.

Moths in the lawn that are grayish-tan, about 3/4 inch long, with wings held close to the body when resting are most likely:
- Billbugs
- Sod webworms
- Cutworms
- Not harmful
Correct Answer

A. Sod webworms

Explanation

The description of moths that are grayish-tan, about 3/4 inch long, with wings held close to the body when resting fits Sod webworms. Sod webworms are the larval stage of a small moth and are known to cause damage to lawns by feeding on the grass. The adults themselves do not cause damage to turfgrass, but their larvae do. Billbugs and cutworms are also pests that can damage lawns, but the specific description given aligns with sod webworm moths.

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3
45.

Pesticide persistence is important when:
- Lawn clippings are not removed
- The treated soil is used for a different planting
- The treatment is applied in the fall
- Both A and C
Correct Answer

A. The treated soil is used for a different planting

Explanation

Pesticide persistence is important when the treated soil is used for a different planting. This is because if the pesticide remains in the soil for a long period of time, it can potentially harm the new plants that are being planted. Therefore, it is important to consider the persistence of the pesticide when using treated soil for a different planting.

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2
46.

Fire blight, a bacterially induced disease, can infect as many as 75 different woody plant species including which of the following?
- Cotoneaster
- Tomato
- Petunia
- Banana
Correct Answer

A. Cotoneaster

Explanation

Fire blight is a bacterially induced disease that can infect various woody plant species. The given answer, Cotoneaster, is correct because it is one of the plant species that can be infected by fire blight. The other options, Tomato, Petunia, and Banana, are not typically susceptible to this disease.

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47.

Which of the methods listed below is used to control borers?
- Wrap trees, apply residual pesticides
- Water frequently
- Band the tree with tanglefoot
- All of the above
Correct Answer

A. Wrap trees, apply residual pesticides

Explanation

The correct answer is "Wrap trees, apply residual pesticides." Wrapping trees helps to physically prevent borers from infesting the trees, while applying residual pesticides can help to kill any borers that may already be present or prevent future infestations. Both methods work together to control borers effectively.

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2
48.

Which of the following insects damage turf below the soil surface?
- Army cotton worms
- Sod webworms
- Grubs
- All of the above
Correct Answer

A. Grubs

Explanation

Grubs are insects that damage turf below the soil surface. Army cotton worms and sod webworms primarily damage the above-ground parts of the turf, while grubs feed on the roots of the grass, causing significant damage to the turf below the soil surface. Therefore, the correct answer is grubs.

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49.

Fungi are:
- Plants that lack chlorophyll
- Microscopic one-celled organisms
- Small worm-like animals
- Too small to be seen by an ordinary microscope
Correct Answer

A. Plants that lack chlorophyll

Explanation

Fungi are plants that lack chlorophyll. Chlorophyll is a pigment that allows plants to carry out photosynthesis, which is the process of converting sunlight into energy. Fungi, on the other hand, obtain their nutrients by absorbing them from their surroundings. They do not have the ability to produce their own food through photosynthesis. Therefore, fungi are classified as plants that lack chlorophyll.

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0

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Ornamental And Turf Pest Control Quiz

Which combination will create the greatest drift hazard?

Quiz Preview

You must know the persistence of pesticides you apply to ornamental and turf areas, especially where:

The minimum period of time to keep children, adults, pets, and domestic animals from contact with sprayed turf is:

Which of the following turfgrass diseases can be severe in July and August in Nebraska?

Which one of the following weeds is a perennial, broadleaf weed?

Powdery mildew is identified by the presence of:

Small, green or brown insects (3/ie inch long) which jump or fly when disturbed are:

Which of the following insecticides would be the best choice if all will adequately control the target pest?

Symptoms of dollar spot in Kentucky bluegrass include:

The following are characteristic of stem rust of Kentucky bluegrass:

The control of pink and gray snow mold involves:

Factors that contribute to pesticide phytotoxicity are:

How many fluid ounces would be required on 4000 sq ft of turf with a label rate of 2 ounces per 1000 sq ft? How many teaspoons would be required for the 4000 sq ft? One fluid ounce equals 2 table­spoons, one tablespoon equals 3 teaspoons.

The label requirement for treating billbugs on turf is 1.0 pounds of diazinon per 1000 sq ft when the total square footage is 9,400 sq ft. How many pounds of diazinon will be required?

Which of the following list of weeds are winter annuals?

Disease management in ornamentals can be improved by:

The four basic weed control methods are:

The presence of sod webworms in a turf area is relatively easy to determine by:

The minimum protective clothing for handling any formulation of pesticide with a "caution" label is:

The chance for exposing humans, pets, nontarget organisms and other sites during equipment clean up can be reduced by:

Which of the following weed characteristics best describes yellow foxtail?

You are to apply a granular insecticide for sod webworm control. The recommended rate is 2 pounds of the granules per 1000 sq ft. How many pounds are needed for one acre? [Remember: 43,560 sq ft per acre]

The recommended method for controlling fire blight is:

Control diplodia tip blight in pines by:

Cultural control of bagworms can be effective if the bags are removed and destroyed by:

Which type of herbicide application is most effective for annual grassy weeds?

Spider mites damage conifers by:

Elm leaf beetles damage elm trees by:

The best time to apply an insecticide to scale insects is in which stage of development?

Leaf spot occurs during which of the following weather conditions?

The ester form of 2,4-D is more hazardous than some other chemicals because its_______may cause it to drift onto nontarget plants

A practical technique to reduce potential drift damage to ornamentals when spraying turf for weed control is:

_________pesticides are most likely to cause harm to wildlife

To reduce drift of pesticides:

Which of the following turf herbicides is an example of a selective, translocated, and post-emergence type?

Which of the following is the most effective method for managing pests in ornamental and turf areas while minimizing environmental impact?

Which of the following statements best describe a sod webworm larva?

Algae problems in greenhouses can be controlled by:

Which of the following statements best describes an aphid?

Which formulation is most likely to cause phytotoxic injury?

Which of the following weeds is effectively controlled with post-emergence herbicides in the fall?

Which of the following are considered mechanical pest control methods?

You can identifiy prostrate spurge by the following:

Moths in the lawn that are grayish-tan, about 3/4 inch long, with wings held close to the body when resting are most likely:

Pesticide persistence is important when:

Fire blight, a bacterially induced disease, can infect as many as 75 different woody plant species including which of the following?

Which of the methods listed below is used to control borers?

Which of the following insects damage turf below the soil surface?

Fungi are:

How many fluid ounces would be required on 4000 sq ft of turf with a label rate of 2 ounces per 1000 sq ft? How many teaspoons would be required for the 4000 sq ft? One fluid ounce equals 2 tablespoons, one tablespoon equals 3 teaspoons.